UA-5200 Series User Manual V4.3 ICP DAS
74
Modbus RTU / ASCII
與
MQTT JSON
轉換傳輸
:
Note
: The hardware/network connection methods please see the
Chapter 2
.
When UA series controller connects the Modbus RTU or ASCII module (via RS-485 /
RS-232, as the picture) and read/write the Modbus I/O via MQTT Broker, user can choose
the item [
Modbus RTU / MQTT JSON
] or [
Modbus ASCII / MQTT JSON
] of the
“Module
Communication Conversion
” in the Function Wizard.
[Step Box]:
The Step Box of the [
Modbus RTU / MQTT JSON
] and [
Modbus ASCII / MQTT JSON
]
has the same 7 steps, here will introduce them together. When enabling the Step Box, it
auto enters the first step setting page (The step with a bold underline means it is the
current step.). The user just needs to follow the
“Step Box” step by step and then can
complete the project quickly and rightly.
Step 1. Controller COM Port Setting
COM Port:
RS-485/RS-232
Modbus
RTU
Module
RS-485: ttyO2, ttyO5
RS-232: ttyO4
Convert Setting: Modbus RTU/ASCII and MQTT JSON
RS-485
RS-232
UA Series
Controller
Summary of Contents for UA-5200 Series
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